RCS tower crane electrical control cabinet

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Introduction

RCS tower crane electronic control cabinet is a tower crane hoist electrical control system solution independently designed and developed bu our company on the basis of advanced tower crane control technologies.It has such charcteristic as high working rate, good speed regulation performance, smooth working, high efficiency and so on. The system contains cabinets A,L and HF.Cabinet A is responsible for providing power for each mechanism of the tower crane and controlling & protecting travelling mechanism; cabinet L takes charge of control and safety protection of hoisting mechanism; cabinet HF is in charge of control control and protection of slewing mechansim luffing mechanism.

Temperature range:-20°C~+40°C

Humidity:lower than 85% RH(no moisture condensation)

Attitude:the altitude of intallation location shall not be higher than 1000m.

Power grid quality: the voltage fluctuation range shall not exceed 10% of the rated voltage.

Power capacity shall be guaranteed fully.

RCS tower crane electrical control cabinet

Q:in the title. any books that talk about the physics in a tower crane? or any crane in general? or a similar machine to a crane?: Hi, Well, this is an interesting topic about physics and requires to have a basic knowledge, correct? So here we have some books: - Chopra, K. A. Dynamics of Structures: theory and applications to earthquake engineering. - Bostelman, R., et al. “Toward Next-generation Construction Machine,” Proceeding of American Nuclear Society 9th International Topical Meeting on Robotics and Remote Systems. - Gore, Bryson. Trucks, Tractors, And Cranes. - Grote Antonsson, editors. Handbook of Mechanical Engineering. - Seidel, Michael. Tensile Surface Structures. B-) FL ------------- You cannot teach a man anything; you can only help him discover it in himself.” (Galileo Galilei)

Q:So how does tower cranes and cranes used in constructions make use of mechanical advantage exerted from simple machines such as pulleys and levers?In other words, how does a crane use pulleys and levers?: a crane has a pulley in order to reduce the workload. Each time there is a loop of the pulley made the workload is reduced.

Q:I swear I'm a giant crane fly magnet and whenever there are crane flies within a mile of me they'll find me and chase me, and I'm dead terrified of them. I noticed that there are more and more of them since the beginning of April. Does it have anything to do with the rain? When will they go away?: It's like they have no control over their limbs, and flutter onto you. We had one in our living room called Henry who my mum tried to kill because we are all so scared of them, and she disabeled it. It had a squashed leg. I felt sorry for it. It's proably because of global warming that they are still here.

Q:quick answer or i'll delete it!: Well, Skill Crane is my favorite, but it doesn't come on that much. I think they play the Splinter WAY too much. (Oh, and also they play the one with the Salty Spitoon too much.)

Q:Does a crane have a pulley?AND....Is an axe a wedge?THANX CUZ I DONT KNOW WHAT IM DOING, AND OMG IM SO GOING TO FAIL MY TEST BECAUSE IM SO DUMB.: yes a crane is a pulley and an axe is a wedge pulley-A pulley, also called a sheave or a drum, is a mechanism composed of a wheel on an axle or shaft that may have a groove between two flanges around its circumference wedge -A wedge is a simple machine used to push two objects apart. A wedge is made up of two inclined planes. These planes meet and form a sharp edge. This edge can split things apart.

Q:What are the requirements for jack up and plus section of jack up tower crane?: When lifting, a standard section is hoisted on the imported beam or introduced platform. Then open the pins or bolts connecting the standard section with the slewing support. Start the oil pump, so that the cage in the standard section of the outward sliding, until the release of a standard section position, and then imported beam or imported platform on the standard section into the connection. This completes a process.

Q:I need a answers to these questions for a school project.These questions are:-How and when did it occur when the Siberian White Crane got threatened and critically endangered?What are the causes of this environmental issue?What are the effects of this environmental issue?What has or is being done to prevent such and environmental issue occurring again?Thanks, it will really help me with my final mark.: Check okorder . There is some very interesting information at this site.

Q:Hi,I am looking for study for Design, Calculation and selection of Overhead Crane supporting Columns. (Not the Crane runner way beams ) Could you please suggest me the suitable references on internet?Thank You !: See okorder /

Q:What is the load moment of a crane?: The load moment for a crane is a number measuring the weight of the load lifted times the distance between the mass and the centre of the crane's superstructure. For example, a 20 ton weight lifted at 5m away from the crane (in reality, right next to it!) gives us a load moment of 100 ton*m, the same as a 10 ton weight lifted 10m from the crane. Cranes can handle higher load moments closer to the crane, so really heavy lifts are always done from very close to the load.

Q:Hi, I'd like to know what a crane symbolises in the asian(?) culture. any other meaningful symbols do list.: The cranes' beauty and their spectacular mating dances have made them highly symbolic birds in many cultures with records dating back to ancient times. Crane mythology is widely spread and can be found in areas such as the Aegean, South Arabia, China, Korea, Japan and in the Native American cultures of North America. In northern Hokkaidō, the women of the Ainu people, whose culture is more Siberian than Japanese, performed a crane dance that was captured in 1908 in a photograph by Arnold Genthe. In Korea, a crane dance has been performed in the courtyard of the Tongdosa Temple since the Silla Dynasty (646 CE). In Mecca, in pre-Islamic South Arabia, the goddesses Allat, Uzza, and Manah, who were believed to be daughters of and intercessors with Allah, were called the three exalted cranes (gharaniq, an obscure word on which 'crane' is the usual gloss). See The Satanic Verses for the best-known story regarding these three goddesses. The Greek for crane is Γερανο? (Geranos), which gives us the Cranesbill, or hardy geranium. The crane was a bird of omen. In the tale of Ibycus and the cranes, a thief attacked Ibycus (a poet of the 6th century BCE) and left him for dead. Ibycus called to a flock of passing cranes, who followed the murderer to a theater and hovered over him until, stricken with guilt, he confessed to the crime. Pliny the Elder wrote that cranes would appoint one of their number to stand guard while they slept. The sentry would hold a stone in its claw, so that if it fell asleep it would drop the stone and waken.

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